Find the intersection of the given intervals.(1, ?) ? [13, ?)
A. (1, ?)
B. (-?, ?)
C. (1, 13]
D. [13, ?)
Answer: A
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ÚÄ ÚÄÄÄ Add: û9 + û-25 a. 5 + j3 b. 3 + 5 c. 3 - 5 d. 5 - 3 e. 3 + j5
Solve the rational inequality. Write the solution set in interval notation.
? 14
A. 
, 
? 
B. 
C. 
D. 
? 
The concentration (in milligrams/cubic centimeter) of a certain drug in a patient's body t hr after injection is given by
?
interval where 
is decreasing.
?
When is the concentration of the drug increasing and when is it decreasing?
?
A. Increasing on 
B. Increasing on 
and decreasing on 
C. Decreasing on 
D. The concentration of the drug is constant.
Solve the problem.A shopkeeper orders 
of cashews and peanuts. If he orders 42 less pounds of cashews, how many pounds of peanuts did he order?
A. 24 lb B. 3 lb C. 6 lb D. 45 lb